May is one of the cooler months of the year in Newman, with average highs near 27.2°C and lows around 12.7°C (mean 20°C). It is one of the drier months, averaging 17 mm of rainfall and 40% relative humidity across the period.
May is one of the cooler months of the year in Newman. Across 45 years of records, the warmest May in Newman was 1998 — when the month averaged 24.1°C — while the coldest was 2000 at 15.5°C. Typical May days reach 27.2°C with nights near 12.7°C. The long-term May temperature trend is broadly flat.
May is one of the drier months in Newman, averaging 17 mm of rainfall. The wettest May on record was 1988 with 116 mm, while the driest were 2019, 2023 and 2025, among others at 0 mm.
Relative humidity in Newman during May averages 40%. The most humid May was 1988 at 61%, and the least humid was 2019 at 23%.
May receives about 4.5 kWh/m²/day of solar energy in Newman. The sunniest May was 2019 at 5.2 kWh/m²/day, and the cloudiest was 2022 at 3.6.
Average wind speed in Newman during May is 3 m/s. The windiest Mays were 2000 and 2018 at 3.6 m/s, while the calmest was 1983 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 19.8°C | 20.4°C | 19.8°C | 19.8°C | 20.1°C | +0.3°C |
| Avg High | 27.1°C | 27.4°C | 27.2°C | 27.1°C | 27.2°C | +0.1°C |
| Avg Low | 12.5°C | 13.4°C | 12.4°C | 12.5°C | 13.0°C | +0.5°C |
| Avg Rain | 25 mm | 22 mm | 5 mm | 20 mm | 9 mm | -16 mm |
May temperatures in Newman have stayed relatively stable across the record.
May has ranged from a record low of 5°C (2000) to a record high of 37.2°C (1990).
Rainfall in May is one of the drier months, averaging 17 mm, with a wettest year of 116 mm.
One of the best times to visit Newman
May is one of the best times to visit Newman. Expect days averaging 27.2°C and nights around 12.7°C (mean 20°C) — cooler than Newman's yearly average — with low rainfall (17 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 27.8°C | 20.3°C | 12.8°C | 32.6°C | 7.3°C | 0 mm | 30% | 3.3 m/s | 4.9 |
| 2024 | 28.6°C | 21.2°C | 13.9°C | 31.8°C | 9.4°C | 0 mm | 30% | 3.2 m/s | 4.7 |
| 2023 | 26.5°C | 19.2°C | 11.9°C | 30.8°C | 7.8°C | 0 mm | 31% | 3.3 m/s | 4.8 |
| 2022 | 26.6°C | 20.5°C | 14.5°C | 31.1°C | 7.6°C | 39 mm | 47% | 3 m/s | 3.6 |
| 2021 | 27.5°C | 20.7°C | 13.8°C | 32.0°C | 8.6°C | 6 mm | 41% | 3 m/s | 4.4 |
| 2020 | 26.4°C | 18.7°C | 11.0°C | 30.9°C | 5.2°C | 7 mm | 30% | 3.3 m/s | 4.8 |
| 2019 | 29.3°C | 20.9°C | 12.4°C | 34.3°C | 7.9°C | 0 mm | 23% | 2.9 m/s | 5.2 |
| 2018 | 27.9°C | 20.2°C | 12.6°C | 34.2°C | 7.9°C | 3 mm | 29% | 3.6 m/s | 4.9 |
| 2017 | 27.0°C | 19.1°C | 11.2°C | 29.3°C | 7.8°C | 9 mm | 50% | 2.4 m/s | 4.9 |
| 2016 | 28.6°C | 21.5°C | 14.5°C | 32.3°C | 6.8°C | 27 mm | 43% | 2.8 m/s | 4.4 |
| 2015 | 23.2°C | 17.2°C | 11.2°C | 28.9°C | 6.5°C | 96 mm | 57% | 3.2 m/s | 3.7 |
| 2014 | 27.8°C | 20.8°C | 13.9°C | 32.7°C | 7.4°C | 31 mm | 45% | 2.6 m/s | 4.3 |
| 2013 | 26.9°C | 19.9°C | 12.9°C | 35.2°C | 7.3°C | 17 mm | 43% | 3 m/s | 4.3 |
| 2012 | 27.7°C | 19.9°C | 12.1°C | 31.5°C | 5.6°C | 0 mm | 37% | 3.1 m/s | 5 |
| 2011 | 24.3°C | 17.8°C | 11.3°C | 28.7°C | 8.1°C | 13 mm | 53% | 3.4 m/s | 4.1 |
| 2010 | 28.0°C | 20.2°C | 12.4°C | 33.8°C | 7.6°C | 7 mm | 37% | 2.9 m/s | 4.9 |
| 2009 | 25.8°C | 18.4°C | 11.0°C | 30.5°C | 7.4°C | 5 mm | 37% | 3.3 m/s | 4.9 |
| 2008 | 29.4°C | 21.3°C | 13.1°C | 34.0°C | 9.4°C | 0 mm | 27% | 2.6 m/s | 4.9 |
| 2007 | 27.6°C | 20.0°C | 12.5°C | 33.4°C | 5.9°C | 2 mm | 43% | 2.7 m/s | 4.8 |
| 2006 | 26.2°C | 18.6°C | 11.0°C | 28.5°C | 8.4°C | 1 mm | 41% | 3.1 m/s | 4.7 |
| 2005 | 29.9°C | 22.9°C | 15.9°C | 33.6°C | 9.9°C | 2 mm | 30% | 2.9 m/s | 4.4 |
| 2004 | 25.0°C | 18.0°C | 10.9°C | 31.1°C | 6.2°C | 10 mm | 51% | 3.3 m/s | 4.5 |
| 2003 | 28.3°C | 20.7°C | 13.1°C | 32.6°C | 7.0°C | 0 mm | 38% | 2.9 m/s | 4.7 |
| 2002 | 30.4°C | 23.1°C | 15.8°C | 34.5°C | 8.0°C | 6 mm | 35% | 2.7 m/s | 4.5 |
| 2001 | 27.0°C | 19.7°C | 12.4°C | 32.3°C | 7.8°C | 22 mm | 43% | 2.6 m/s | 4.3 |
| 2000 ❄️ | 22.7°C | 15.5°C | 8.4°C | 28.6°C | 5.0°C | 2 mm | 56% | 3.6 m/s | 4.7 |
| 1999 | 27.3°C | 20.3°C | 13.3°C | 30.9°C | 8.1°C | 39 mm | 50% | 2.6 m/s | 4.3 |
| 1998 🔥 | 31.1°C | 24.1°C | 17.1°C | 34.9°C | 12.8°C | 4 mm | 38% | 2.9 m/s | 4.2 |
| 1997 | 25.0°C | 19.3°C | 13.5°C | 33.6°C | 7.8°C | 59 mm | 61% | 3 m/s | 3.8 |
| 1996 | 28.3°C | 20.7°C | 13.1°C | 31.2°C | 7.9°C | 2 mm | 34% | 3 m/s | 4.8 |
| 1995 | 25.0°C | 17.8°C | 10.5°C | 29.3°C | 5.7°C | 7 mm | 49% | 3.2 m/s | 4.6 |
| 1994 | 28.9°C | 20.8°C | 12.7°C | 32.5°C | 8.7°C | 0 mm | 27% | 2.9 m/s | 5.1 |
| 1993 | 25.4°C | 19.3°C | 13.1°C | 29.3°C | 6.3°C | 52 mm | 54% | 3.2 m/s | 4.1 |
| 1992 | 25.1°C | 18.6°C | 12.1°C | 31.0°C | 6.5°C | 14 mm | 57% | 2.7 m/s | 4.1 |
| 1991 | 29.1°C | 21.8°C | 14.5°C | 34.1°C | 10.5°C | 41 mm | 33% | 2.9 m/s | 4.5 |
| 1990 | 29.2°C | 21.5°C | 13.9°C | 37.2°C | 7.1°C | 1 mm | 32% | 2.9 m/s | 4.9 |
| 1989 | 27.8°C | 20.3°C | 12.9°C | 30.7°C | 9.4°C | 17 mm | 40% | 3 m/s | 4.8 |
| 1988 🌧️ | 24.6°C | 18.4°C | 12.2°C | 31.0°C | 8.0°C | 116 mm | 61% | 2.8 m/s | 3.8 |
| 1987 | 24.5°C | 17.6°C | 10.8°C | 30.1°C | 5.7°C | 8 mm | 43% | 3.3 m/s | 4.4 |
| 1986 | 27.9°C | 19.9°C | 11.9°C | 32.4°C | 8.3°C | 0 mm | 28% | 3.1 m/s | 4.9 |
| 1985 | 27.0°C | 19.5°C | 12.1°C | 32.6°C | 6.5°C | 9 mm | 37% | 2.9 m/s | 4.6 |
| 1984 | 28.0°C | 21.5°C | 15.0°C | 33.7°C | 8.4°C | 51 mm | 48% | 2.9 m/s | 4 |
| 1983 | 28.3°C | 20.1°C | 12.0°C | 32.6°C | 8.2°C | 0 mm | 34% | 2.3 m/s | — |
| 1982 | 28.0°C | 20.6°C | 13.1°C | 32.4°C | 5.7°C | 16 mm | 35% | 3 m/s | — |
| 1981 | 27.6°C | 20.2°C | 12.9°C | 34.2°C | 6.4°C | 6 mm | 35% | 3 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 27.2°C with lows near 12.7°C (mean 20°C), based on 45 years of NASA POWER data.
May averages 17 mm of rainfall in Newman, one of the drier months. The wettest on record was 116 mm in 1988.
The hottest May reached 37.2°C in 1990. The coldest dipped to 5°C in 2000.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have held steady by about 0°C — but days and nights have moved in opposite directions. Overnight lows rose from 13°C to 13.4°C while daytime highs eased from 27.8°C to 27.4°C, narrowing the gap between day and night.
May is one of the cooler months of the year in Newman and one of the drier months, so plan for around 27.2°C daytime highs and 12.7°C at night.
Not quite — May is the 4th coolest month in Newman, averaging 20°C.
For May in Newman, pack light layers you can adjust through the day, with typical highs of 27.2°C and lows of 12.7°C.
Relative humidity in May averages 40% — relatively dry.
Average wind speed in May is 3 m/s. The windiest May on record averaged 3.6 m/s (2000).
The wettest May on record was 1988 with 116 mm. On average, May sees 17 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Newman behaves each May, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for May specifically, along with year-by-year records and how the month has changed over the decades.
